Dual magnifying glass



FIG. 1 is a front elevational view of a dual magnifying glass showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a bottom plan view thereof.

The smaller magnifying glass is recessed in the handle of the larger magnifying glass. 

The ornamental design for a dual magnifying glass, as shown. 